3次元MW-FDTD法の並列計算による数値地図と都市モデルを用いた雷放電電磁界解析

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  • Analysis of Lightning Electromagnetic Field on Numerical Terrian and Urban Model using Three-dimensional MW-FDTD Parallel Computation
  • 3ジゲン MW-FDTDホウ ノ ヘイレツ ケイサン ニ ヨル スウチ チズ ト トシ モデル オ モチイタ カミナリホウデン デンジカイ カイセキ

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Analysis of lightning electromagnetic field using the finite-difference time-domain (FDTD) method have been studied in recent year. However,large-scale analysis on real environment have not been considered,because the FDTD method requires huge computational cost on large-scale analysis. We proposed a three-dimensional moving window FDTD (MW-FDTD) with parallel computation and applied to large-scale analysis of lightning electromagnetic field with a real numerical terrain model. In this paper, we have studied about large-scale analysis of lightning electromagnetic field with real urban models considering many buildings using our MW-FDTD with parallel computation. We have shown effects of observed electromagnetic field on urban model.

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